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Question

Mathematics Question on Introduction to Trigonometry

If A=45°, B=60°,A=45°,\ B=60°, then sin A+cos Bsin\ A+cos\ B

A

2222\frac {2-\sqrt 2}{2\sqrt2}

B

2+22\frac {2+\sqrt 2}{2}

C

2+22\frac {2+\sqrt 2}{\sqrt2}

D

2+222\frac {2+\sqrt 2}{2\sqrt2}

Answer

2+222\frac {2+\sqrt 2}{2\sqrt2}

Explanation

Solution

The correct option is (D): 2+222\frac {2+\sqrt 2}{2\sqrt2}.